266205481440064 has 56 divisors (see below), whose sum is σ = 530913734614400. Its totient is φ = 132431961429504.

The previous prime is 266205481439987. The next prime is 266205481440091. The reversal of 266205481440064 is 460044184502662.

It is a junction number, because it is equal to n+sod(n) for n = 266205481439993 and 266205481440020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349191402 + ... + 1349388694.

Almost surely, 2^{266205481440064} is an apocalyptic number.

It is an amenable number.

266205481440064 is a deficient number, since it is larger than the sum of its proper divisors (264708253174336).

266205481440064 is a wasteful number, since it uses less digits than its factorization.

266205481440064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303447 (or 303437 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 52.

The spelling of 266205481440064 in words is "two hundred sixty-six trillion, two hundred five billion, four hundred eighty-one million, four hundred forty thousand, sixty-four".